1. 窗口触发器触发器(Trigger)确定窗口(由窗口分配器形成)何时准备好被窗口函数处理。每个窗口分配器都带有默认触发器。如果默认触发器不满足你的要求，可以使用trigger(...)指定自定义触发器。触发器接口有五种方法允许触发器对不同的事件做出反应： public abstract Tr...

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实时计算Flink版

阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，完全兼容开源的Apache Flink，比开源性能提升2～3倍，提供了完整的告警、监控、日志的解决方案、提升开发效率且无运维成本，并有社区专家提供技术支持。

立即开通

产品控制台

产品文档

实时同步

MySQL 到 Hologres

Kafka 到 Hologres

功能对比

开源Flink对比

成本优化

作业自动调优